ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,899, issued on June 30, was assigned to Canon K.K. (Tokyo).

"Control apparatus, image pickup apparatus, control method, and storage medium setting a first or a second depth of field in a case where objects are superimposed and in a case where a main object is switched" was invented by Kentaro Watanabe (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control apparatus includes a memory storing instructions, and a processor configured to execute the instructions to select a main object as a target to be focused on from among objects included in an image, perform a first setting that sets a first depth of field to a second depth of fie...